rieux ge



No. 80,157. i PATENTED JULY 21, 1868.

P. `DU RIEUX ROETTG'ER.

UYLINDRIGAL PILTBRING PRESS.

:sums-snr! 1.

P. DU imzux an E. ROETTGER GYLINDRICAL PILTBRING PRESS.

'2 sums-sum' 2.7

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gotten? tatto-strut" ffies;

La@ from in; 80,157, qnd .my 21, 186s.

oYLmDsIoAL mumble-Pases.

Be it known that'we, Prsnns Do Rieux and Enonsnn Ron'rrenn, of Lille, in the Empire of France, civil engineers, French subjects; hnv'e invented or discovered a new and useful improved Cylindrical'Filtering-Press;

and 1re, the said 2m11.111s DU BIEUX and EDoUAnD ROETTGER, do hereby d'clare the nature Vof the saidinvotion,

and in what manner the sames to be performed, to be'particular`ly described and ascertainedjn 'and by the folt.

lening 'statement thereof; that is tosay'..

l. Our invention vconsists in an improved .construction and arrangement of the parts of iilterng-,pre'ssem` whereby a more eilicien-t'working is obtained, and all danger of the machine exploding under pressure i's nyoided, j andthe oper-ations of ltering the liquid parts and cnking the solid Aparts of semi-liquids may beconducted njith lmore speed,regularity, safety, 4and etliciency.

Aecordin'gto these imprgyements, the .filtering-chambers are cast of a cylindrical shape,rso as to presenta niformresistafhce to thc'pressure'nitlein-The said filtering-chambers or frames-consist of a circular rim on ring, the contrslipertionofvhehis provided'with a series of bars cast with therim, but less wide than the rim,

thatxrhcn ac crtin number-of'. the said ringsor 'circular frames, with their gratings, `are securcd'togetherefface to face, theylwill torln ltwo series of' chambers, the one composedof gratings, 4the second of hollow spaces h'etrreen ,the snidvgratings, equal in width to the difference between the width of the grating and then'idth of liersrrounding rings; On'eaeh side of tho said gratings are'attaehed perforated metal plates, andover those plates-'arc en eor 4more'izlothsor other filtering-medium', which may be secured to the ring oiqrim oft-he frame,"

either by means afro metallic ring, taking inte a groove, over 'which ring the cloth is tightened so as to be easily removed with thesaid ring, or hy forming the ringr of the frame so that the cloth may-ho secured thereto without injury .by a cord orrope, which atfthe same tiene insures its contact 'with the surface of the metal perforated 4plate overthe grating,

v '.llhroagh the upper partoi' each rim of the circular frames is' anapertnre or `chan'neh'wliich channcls,whcn `the circular` frmes are secured together face to face, communicate one with the other throughout the entire length of 4the machine, and also with the spaces nithin'and between the said frahies. The continuous channel formed by the snideapertures communieatesexternally-by cocks and pipes, or'other similar means, with the 4niachii-ierynscd liorvi'm'cirlg'in the semi-liqidsuhstonce to be operated upon and we prefer that the semi-liquid; substance shouldbe forcedl into tho'apparatushy means of tho direct pressure offsteam acting in a ntonteq'us," orjuice-elerntor.' 'l f The circular frames are `euch provided n'vith side projections or arms, which rest upon the longitudinal bars of asupportingffi'ame, and the'cireular frames, -when in position, are closed before and behind by strong metallic circular plates, 'thei'nncsurfaoes 'of which varo formed ivith gratings, and parts similar to those oi"thc inner circulan" framemso as to com-plete thc chambers'ot' thepdjoining frames next to them. One ofthe seid end plates is s*upport'edhy a standard resting on the ground, and, by means of lugs cast o'n its sides,`.supports.partly the two horizontal hars running longitudinally along the frames, which frames ics upon the said bars,` by means of Y their above-mentionetlr nrnis or projections. The bars pass through correspopding lugs on the-.sides of the front end plate, to asecond standard orsupport, n'hero the two bars are joined together by means of across-beam extending across Vthe ond plate. A similan cross-beam joins together the said bars behind they back end plate. Between the fronti end plato'nnd tho cross-beam' andv front support, is a movablehlock, which ancrer( inthe frontvsupport may h o mede to press against the front ond Iplate, and thus rmly tighten together all'the frames between thc two'end plates.v On slightly loosening the said scregr, the intermediate block falls and rl'eascs'the l frames, which mayreadily be separated as required.

The frames may heA made tojoin tightly hy means of India-rubber rings inserted round the rims in conical The frames having been properly tightened together, thc'scmidiqnid substance 'te be operated upon forced into tho apparatus, passing through the channel in the rnns of tho frames, and'entering the .spaces enclosed grooves, orby forming onthe rims-deep cylindrical grooves, or in any other convenient manner.

80, Htl

been properly spread and sccured, as 'aboic described, the frames B B are4 placed, upon the, .bars C C', and

between the end plates A1 A?. The block D3 is now raised to occupy tbespace betneentheend plate A2 and the screw d, and the said screw d is screwed up by means of itsllever D2, and tightly presses and`seclires together the series of frames B B, and plates Ax A?. The cock H is new gently opened, and 'the semi-liquid substance to be operated upon is forced in'to the press,-possing through. the, ehannelslhtonthofebambersl'orspaces Bz, betweenthe-frames.` The'liquid parts passthrough tbe cloths to' between the.bsrs" B,wbence they dow ont through the channels N and cocks G and GJ, -andmay be collected in a vessel, O. `V`i Should the spacesbetween the bars be full, the liquid would dow along` a groove roundthe frame to the'ibottogjand. channel N. The solid parts of the said semi-liquid substances are arrested b'y the cloths, vand form onkesfin` the chambers between the frames. When the liquid parts cease to flow, in consequence' of thecakes becoming too. h ard,the cock H may be closed, and water introduced through. the cock S, in order'to' carry ed' 'remdiiiing liquid. By opening the cock'M, the liquid lling the chanriclsll may hedrivcn out by steam.

The filtering loperation being ended, the screw d is loosened, the'interxnediatte block Df fails, andthe different frames. and-pistes maybe separated, oneirom the other, when thelcakes willflldbwn imdcrthe machine, and inay brsi'emo'v'ed. 'y v Y Haringtbns described the nat'ire of our said invention, andy the moons offe'aryi'ng'the sameiinto effect, we

wish it toibennderstood that we de not confine ourselves to the-precise details herein' described, dnd illustrated in theacconipanying drawings', as the same may he varied-without departing fritta the nature of our invention.

' f We claim-'4' f 1. The construction and arrangement of the grated circular frames and end plates, and the mode of intro ducing the semi-liquid substance 'to the lteringchambers, through'apertures ma'de'in the rims of cach frame,

tbesaid apertures forming a continuous channel throughout-the length of the press, in communication with each4 filtering-chamber, substantially as described and represented.y

2.- In combination with the removable franxes B `und movable bead-Af, we claim `tbefpvoted-block and central screw d,;all constructed and, arrangedfto operate 4inthe `m'aime'r and for thepurposesubstantially as 'herein set forth.y

3. The arrangemcntof cocks HM, the latter haring rernovahie plug M', at the opposite ends of the channel for-ined by` the spaces x in the frames' B, as herein shown and described, for thepurpose specied.

. 4. The prorision of each frame B with a channel, N, having a cock, G Gl, at its outer end, and a mavo-blo plug, N, at its opposite extremity, :substantially as described.

a We claim the side supports C G and cross-bars D D, arranged as described, `with relation to the stationary end piece A, movable piene A, andremovablccircular'gratingsvgsubstantially as represented.

-- EDOUARD no'ET'rGER,

P. DU RIEUX.

Vwitwassen:

Vieron Hummm, H. LANSING Peanuts, F. D. Room, J. MILLER, 

